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<title>Invalid RSS Version: x.y</title>
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<h1><a href="../../"><span id="feed"><span id="f">F</span><span id="e1">E</span><span id="e2">E</span></span><span id="d">D</span> Validator</a></h1>
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<h2>Message</h2>
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<p>Invalid RSS Version: <code>x.y</code></p>
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<h2>Explanation</h2>

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<p>Released versions of RSS include:</p>
<ul>
<!-- <li><a href="http://www.purplepages.ie/RSS/netscape/rss0.91.html">Netscape 0.91</a></li> -->
<li><a href="http://www.rssboard.org/rss-0-9-1-netscape">Netscape 0.91</a></li>
<li><a href="http://backend.userland.com/rss091">Userland 0.91</a></li>
<li><a href="http://backend.userland.com/rss092">Userland 0.92</a></li>
<li><a href="http://cyber.law.harvard.edu/rss/rss.html">Harvard 2.0</a></li>
<li><a href="http://www.rssboard.org/rss-specification">RSS Advisory Board 2.0</a></li>
</ul>
<p><a href="http://backend.userland.com/rss093">RSS 0.93</a> and
<a href="http://backend.userland.com/rss093">RSS 0.94</a> were never finalized.</p>
<p><!--
<a href="http://www.purplepages.ie/RSS/netscape/rss0.90.html">RSS 0.90</a>
--><a href="http://www.rssboard.org/rss-0-9-0">RSS 0.90</a>
and <a href="http://web.resource.org/rss/1.0/">RSS 1.0</a> have a completely different XML structure, and in particular, no <code>version</code> attribute.</p>
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<h2>Solution</h2>
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<p>In most cases, simply changing the version attribute to <code>2.0</code> is the simplest fix.</p>
<p>If, however, you actually are intending to produce a valid RSS 1.0 feed, consult the specification linked above for guidance.</p>
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<h2>Not clear?  Disagree?</h2>
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<p>You might be able to find help in one of <a href="../howto/resources.html">these fine resources</a>.</p>
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